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Support trailing commas in FROM clause (#1645)

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Co-authored-by: Ifeanyi Ubah <ify1992@yahoo.com>
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bar sela 2025-01-14 16:38:24 +02:00 • committed by GitHub
parent 6507484697
commit 36db176657
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5 changed files with 88 additions and 12 deletions
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32
tests/sqlparser_common.rs
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@ -12957,8 +12957,38 @@ fn parse_update_from_before_select() {
parse_sql_statements(query).unwrap_err()
);
}
#[test]
fn parse_overlaps() {
verified_stmt("SELECT (DATE '2016-01-10', DATE '2016-02-01') OVERLAPS (DATE '2016-01-20', DATE '2016-02-10')");
}
#[test]
fn test_trailing_commas_in_from() {
let dialects = all_dialects_where(|d| d.supports_from_trailing_commas());
dialects.verified_only_select_with_canonical("SELECT 1, 2 FROM t,", "SELECT 1, 2 FROM t");
dialects
.verified_only_select_with_canonical("SELECT 1, 2 FROM t1, t2,", "SELECT 1, 2 FROM t1, t2");
let sql = "SELECT a, FROM b, LIMIT 1";
let _ = dialects.parse_sql_statements(sql).unwrap();
let sql = "INSERT INTO a SELECT b FROM c,";
let _ = dialects.parse_sql_statements(sql).unwrap();
let sql = "SELECT a FROM b, HAVING COUNT(*) > 1";
let _ = dialects.parse_sql_statements(sql).unwrap();
let sql = "SELECT a FROM b, WHERE c = 1";
let _ = dialects.parse_sql_statements(sql).unwrap();
// nasted
let sql = "SELECT 1, 2 FROM (SELECT * FROM t,),";
let _ = dialects.parse_sql_statements(sql).unwrap();
// multiple_subqueries
dialects.verified_only_select_with_canonical(
"SELECT 1, 2 FROM (SELECT * FROM t1), (SELECT * FROM t2),",
"SELECT 1, 2 FROM (SELECT * FROM t1), (SELECT * FROM t2)",
);
}